I had never really thought about it but am now realizing that the Eurozone (countries using the Euro) and the European Union do not overlap perfectly. There are

I had never really thought about it but am now realizing that the Eurozone (countries using the Euro) and the European Union do not overlap perfectly. There are countries outside the EU that use the euro and countries in the EU which do not use the Euro. Look forward to reading more about about the differences and successes/failures that can be attributed to falling within each of those groups.